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In this publication, we discuss the recent upgrade of the intermediate power amplifier (IPA) of the 520 MeV Cyclotron's RF system. The main goal of this upgrade was to separate first and second stages of the IPA, and thus achieve a modular configuration. A novel neutralization circuit for the second stage was designed, simulated, fabricated and tested with maximal CW power of up to 65 kW. We discuss...
This paper presents a fully integrated differential Class-E power amplifier implemented in 130 nm CMOS process. The series resonant circuit and the reactance provided by inductor for Class-E operation is provided by a single parallel resonant circuit and a capacitor respectively. Driving stage and the output balun is also present on-chip. From a 2.5 V supply and a load of 50 Ω, the output power is...
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